[OS X TeX] Numerical commands

[Alain Schremmer]

On Jul 8, 2010, at 8:24 PM, Michael Sharpe wrote:

>
> On Jul 8, 2010, at 3:51 PM, Alain Schremmer wrote:
>
>> This is half off-topic:
>>
>> With arrayjobx, I am defining commands such as, for instance, in  
>> 4.sty:
>>
>> \newarray\IV            %4
>> \readarray{IV}          %Chapter 4. From Local Graphs to Global  
>> Graphs
>> 	{% begin array
>> 		%4-1
>> 			CheckableItem1
>> 		&4-2
>> 			CheckableItem2
>> 	[...]
>> 		&%4-50
>> 			CheckableItem50
>> 	}%end array
>>
>> I am using these commands as below and things work well but I was  
>> wondering if there might be a way to generate automatically the  
>> command names from the file names, for instance the command
>> 	\IV
>> from the file name
>> 	4
>>
>> But the only thing I could think of, namely using
>> 	\Roman{\jobname}
>> naturally does not work.
>>
>
> This is more latexish, and more like what you asked for.
>
> \newcounter{numjob}
> \setcounter{numjob}{\jobname}
> \edef\xx{\Roman{numjob}}% eg, if \jobname expands to 4, \xx expands  
> to IV
> \expandafter\newarray\csname\xx \endcsname% same effect as \newarray 
> \IV
> \expandafter\let\expandafter\XX\csname\xx \endcsname% \XX is  
> synonym for \IV
> %example
> \readarray{\xx}{A&B&C}
> \XX(3) % expands to C

It is exactly what I wanted. I even understand it. It is beautiful.

Very grateful regards
--schremmer

P.S. How about if I were to say I wouldn't mind a million dollars by  
midnight EST?